Build(deps-dev): Bump minitest from 5.15.0 to 5.16.0 (#17103)

Bumps [minitest](https://github.com/seattlerb/minitest) from 5.15.0 to 5.16.0.
- [Release notes](https://github.com/seattlerb/minitest/releases)
- [Changelog](https://github.com/minitest/minitest/blob/master/History.rdoc)
- [Commits](https://github.com/seattlerb/minitest/compare/v5.15.0...v5.16.0)

---
updated-dependencies:
- dependency-name: minitest
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -241,7 +241,7 @@ GEM
     mini_sql (1.4.0)
     mini_suffix (0.3.3)
       ffi (~> 1.9)
-    minitest (5.15.0)
+    minitest (5.16.0)
     mocha (1.14.0)
     msgpack (1.5.2)
     multi_json (1.15.0)